Personalized Mermaid-Chinese Grandma | I Love My Nainai T-Shirt. The design is vibrant and eye-catching, appealing to both kids and adults alike. It's a wonderful way to express affection and appreciation for a beloved Nainai, making it an ideal choice for birthdays, holidays, or just because. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.